925 Sterling Silver: These spring clasps are made of 925 sterling silver, offering good formability, high workability, and durability for long-lasting use. Resistant to deformation and breakage, they feature high brightness, low oxidation, and resistance to rust or color change. The smooth surface ensures a comfortable touch. 3 Sizes: Includes 3 round spring gate rings in different sizes with inner diameters of approximately 6mm, 8mm, and 9.5mm, outer diameters of approximately 10mm, 12mm, and 14mm, and a thickness of 3mm. One piece per size, 3 pieces total. Assorted sizes allow compatibility with various projects and meet everyday jewelry-making needs. Round Spring Clasp: Features a round spring gate design that prevents slipping and works well with chains for extension or repair. The smooth surface and edges make it ideal for use as a clasp on necklaces, bracelets, or other beaded jewelry. Easy to Use: Equipped with a spring clasp mechanism that is simple to open and close. The silver color complements a wide range of beads, chains, and accessories, making it easy to incorporate into various jewelry designs. Widely Used: Ideal for crafting bracelets, necklaces, anklets, and sweater chains. Suitable for DIY jewelry projects, charms, and repairs. Enables creative expression and customization in handmade jewelry.